body {
  margin: 0;
}

.w-full{
  width: 100%;
}

.h-full{
  height: 100%;
}

.w-screen{
  width: 100vh;
}

.h-screen{
  height: 100vh;
}

.center{
  display: flex;
  justify-content: center;
  align-items: center;
}

.mb-10{
  margin-bottom: 10px;
}

.mb-20 {
  margin-bottom: 20px;
}

